Dr. Ibrahim Alhaji Abdullahi DOI: 10.5281/zenodo.17443555 GAS Journal of Arts Humanities and Social Sciences (GASJAHSS) The study assessed the challenges and opportunities in integration of Sangaya and western educational system in Biu emirate. The term Tsangaya is adopted from Sangaya Read More …
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Focal Length Calculation of Transmission Electron Microscope Magnetic Lenses using CST Particle Studio
HakChol Kim, GumHyang Ho & NamChol Yu DOI: 10.5281/zenodo.17426529 Global Academic and Scientific Journal of Multidisciplinary Studies (GASJMS) In this paper, we have described a method for calculating the focal length of a magnetic lens based on the simulation of Read More …
An Experimental Study on Optimal Illuminance Condition of Ambient Light for Accurate Noncontact Heart Rate Measurement
SinIl Pak & NamChol Yu DOI: 10.5281/zenodo.17426345 Global Academic and Scientific Journal of Multidisciplinary Studies (GASJMS) The imaging photoplethysmography (iPPG) technology is regarded as a promising one that can measure the vital signs like heart rate using facial video data Read More …
A Method to Avoid the Stick-Slip in a Large Hydraulic Cylinder under Variable Load using a balanced Valve
Tong-Ju Ri, Chol-Myong Kang & Kum-Song Ri DOI: 10.5281/zenodo.17426168 Global Academic and Scientific Journal of Multidisciplinary Studies (GASJMS) Stick-slip motion often appears for starting or at low speed of hydraulic cylinder. In this paper, a method to avoid stick-slip is Read More …
Voltage Unbalance and Harmonic Compensation through Distributed Generation with Virtual Impedance Control in Islanded Microgrid
Wisong Jong, Chol Min Hong Sunghyok Kim*, Songchol Hyon and Nam Hyok Ra DOI: 10.5281/zenodo.17422325 GAS Journal of Engineering and Technology (GASJET) The power sharing and voltage quality are more challenging in islanded microgrids with the unbalance or nonlinear loads. Read More …
Multi-Fault Diagnosis of Rotational Machinery based on AIS and BSS
Sung-Ri Kim, Kwang-Myong Ko, Hyon-Chol Choe DOI: 10.5281/zenodo.17422240 GAS Journal of Engineering and Technology (GASJET) The multi-fault diagnosis of rotational machinery is one of the most difficult problems in machine fault diagnosis. When various kinds of faults co-exist, different fault Read More …
Comparison of Theoretical Analysis and Simulation Results: Determination of Structural Parameters and Displacement Characteristics of Diaphragms in Capacitance Diaphragm Vacuum System
ChangGi Kang, KumHyang Ho, NamChol Yu DOI: 10.5281/zenodo.17422122 GAS Journal of Engineering and Technology (GASJET) In this study, computational fluid dynamic method is used to predict and evaluate the flow field and collection performance inside square cyclone separators. Two cyclones Read More …
A Method to Determine Design Parameters of the Float in a Rotameter that Satisfies the Measurement Range in a Fixed Cone
Chol-Hwan O, Wi-Song Myong & Kum-Song Ri DOI: 10.5281/zenodo.17418188 GAS Journal of Engineering and Technology (GASJET) The rotameter has a relatively low measurement accuracy compared to other flowmeters due to the nonlinearity between the flow rate and the floater position, Read More …
A 3D Localization Method of Multiple Acoustic Sources Using Microphone Array
KwangMyong Kim & NamChol Yu DOI: 10.5281/zenodo.17418052 GAS Journal of Engineering and Technology (GASJET) Localization technology of acoustic source is widely used in detection and wireless communications. In some references, many researchers have addressed the methods of 1D and 2D Read More …
The Relationship Existing between Data Driven Targeted Online Adverts and Customer Reach for Msmes in Anambra State
Dr. Udeogu, Arinze Christian & Prof. Promise Chika Oparah DOI: 10.5281/zenodo.17416118 GAS Journal of Economics and Business Management (GASJEBM) Micro, Small, and Medium Enterprises (MSMEs) in Nigeria, particularly in Anambra State, continue to face challenges in expanding their customer base Read More …
